I heard ʿAli ؓ say: The Messenger of Allah ﷺ was treated with cupping, then he said to the cupper when he was finished: How much do you pay to your masters? He said: Two saʿs. He ordered that one sa’ be waived, and he told me to give him one sa’.
سَمِعْتُ عَلِيًّا يَقُولُ احْتَجَمَ رَسُولُ اللهِ ﷺ ثُمَّ قَالَ لِلحَجَّامِ حِينَ فَرَغَ كَمْ خَرَاجُكَ؟ قَالَ صَاعَانِ فَوَضَعَ عَنْهُ صَاعًا وَأَمَرَنِي فَأَعْطَيْتُهُ صَاعًا